thanks for the fast and professional answers.
I have uninstalled and reinstalled the amd/ati drivers. Uninstalled the Wacom driver and daemon tools too.
MRVW23C.sys Thu Jan 04 21:52:15 2007 - Zonet 802.11a/b/g Wireless LAN Client Adapter Zonet
I don't even own anything from Zonet. I am using an old a-quip wireless usb adapter with the most actual drivers i could found to access the internet.
PFC027.SYS Tue Dec 05 16:34:25 2006 - Somewhat of a Webcam
Webcam is a cheap speedlink one. worked perfectly so far...
I also did a ram check with memtest86+ on each of my two ram moduls. No errors.
But i've got pretty soon another bsod...
thanks so far and regards